MQ4 METHANE GAS SENSOR

FEATURES

• Chip: MQ-4
• LM393 comparator
• Trigger Level configuration Potentiometer
• Detecting Concentration : 200 ~ 10,000 ppm
• Voltage for
  • Operating: DC 5V
  • Circuit: 5V ±0.1 AC or DC
  • Heating: 5V ±0.1 AC or DC
• Operating Temperature : -10°C ~ 50°C
• Heating Consumption : < 750mW
• Preheat Duration: 20s
• Resistance for
  • Load: 20KΩ
  • Heater: 33Ω ±5%
• Output for
  • Analog(AO): 0 ~ 5V analog output voltage
  • Digital(DO): 0V / 5V output
• High Sensitivity to Methane and Natural Gas
• Fast response and long life
• Simple drive circuit
• Dimensions: 23 x 19 x 19 mm